Plunge of a knife blade



FIG. 1 is a side elevational view of a knife blade, which incorporatesmy new design, with portions of the view being shown in broken line forthe purpose of illustrating the structural environment of the new designand not being part of the design sought to be patented;

FIG. 2 is an isometric view of the plunge of a knife blade shown insolid line in FIG. 1, showing my new design;

FIG. 3 is a top plan view showing the back thereof;

FIG. 4 is a bottom plan view showing the edge thereof;

FIG. 5 is a left end view thereof;

FIG. 6 is a section view thereof, taken along line 6--6; and,

FIG. 7 is a right end view thereof.

The ornamental design for a plunge of a knife blade, as shown anddescribed.